The steth sold at HF is for listening to sounds in solids like an engine block. The noise Ruthi has is air born and that steth won't be much use. I have one of those $5 wonders and they can easily be pulled apart at the end of the rubber tubes. They need to be extended after that an d, you are right, they make a great leak detector.

Ruthi,

If you put a small funnel into the hose that runs to your ear it will become a directional pick up and you can listen to areas without being right up close. You can use that for finding noise sources around the coach generated by

John

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"An uneducated vote is a treasonous act more damaging than any treachery of the battlefield.The price of apathy towards public affairs is to be ruled by evil men." Plato “We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.”—Pla